Improve type hints

Author: betulependule

packit_service/worker/handlers/forges.py

@@ -7,6 +7,7 @@
 """
 
 import logging
+from typing import Optional
 
 from packit.config import (
     Deployment,
@@ -307,8 +308,8 @@ class GitPullRequestHelpHandler(
 
     def __init__(
         self,
-        package_config: PackageConfig,
-        job_config: JobConfig,
+        package_config: Optional[PackageConfig],
+        job_config: Optional[JobConfig],
         event: dict,
     ):
         super().__init__(

packit_service/worker/mixin.py

@@ -299,7 +299,7 @@ class GetPullRequestMixin(GetPullRequest, ConfigFromEventMixin):
     _pr: Optional[PullRequest] = None
 
     @property
-    def pr(self):
+    def pr(self) -> PullRequest:
         if not self._pr:
             self._pr = self.project.get_pr(self.data.pr_id)
         return self._pr